Group 1 - The core viewpoint of the article is that Hengtong Optical Communication Technology (Shenzhen) Co., Ltd. is preparing for its IPO on the Beijing Stock Exchange, scheduled for September 25 [1] - Hengtong Optical focuses on the research, manufacturing, and sales of passive optical devices in the optical communication field, with three main business segments: passive optical fiber cabling, passive internal connection devices, and related supporting businesses [1] - The company plans to raise approximately 494 million yuan through the IPO, which will be invested in the expansion of its Guilin manufacturing base, the expansion of its Vietnam production base, the construction of its optical research and development center, and to supplement working capital [1] Group 2 - The main products of Hengtong Optical include optical fiber connectors, flexible optical fiber line products, and cabling management products, as well as multi-fiber parallel passive internal connection devices and PON optical module passive internal connection devices [1] - The IPO process for Hengtong Optical was accepted on December 30, 2024, and entered the inquiry stage on January 22, 2025 [1]